what do you mean by electric flux???

Question

shayaan_mustafa · Answer

simple.
charge distributed on the surface.

anonymous · Answer

how does it vary???

shayaan_mustafa · Answer

vary... 
again simple.
change the area of the surface.

anonymous · Answer

directly proportional to the surface area?  or, directly proportional to the amount of charge on the surface? or some summation of the two?  is emf a factor?

shayaan_mustafa · Answer

it is just like the water tank. how much water can you fill in the water tank. obviously the answer is, depends on the size of the tank.
now I hope you can estimate the answer.
Goodluck

anonymous · Answer

number of electric field that penetrating the surface

jamesj · Answer

The definition of the electric flux is a sum of how much of an electric field 'flows' through a surface S. Mathematically, the flux $$ \Phi_E = \int_S E \cdot dA $$ Have a look at this lecture for a good discussion of what this means intuitively: http://ocw.mit.edu/courses/physics/8-02-electricity-and-magnetism-spring-2002/video-lectures/lecture-3-electric-flux-and-gausss-law/